A double sideband (DSB) AM modulated signal, g(t)cos omega of, is transmitted ov

Question

A double sideband (DSB) AM modulated signal, g(t)cos omega of, is transmitted over a noisy channel with a power spectral density of the noise shown below: The message signal. g(t), is band limited to 4kHz. The carrier frequency is 200 kHz. The received power of the DSB AM signal is 10 watts. Draw a block diagram of the receiver showing the demodulated output signal g(t). Specify the bandwidth and center frequency of all filters used. State units. Find the output signal-to-noise ratio of the receiver in dB.

Explanation / Answer

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